Moments of event shapes in electron-positron annihilation at NNLO
Stefan Weinzierl
TL;DR
This paper presents next-to-next-to-leading order (NNLO) perturbative calculations for moments of key event shape variables in electron-positron annihilation, enhancing precision in three-jet event analysis.
Contribution
It provides the first NNLO results for moments of several important event shape variables in e+e- annihilation, improving theoretical accuracy.
Findings
NNLO results for Thrust, heavy jet mass, and jet broadening variables.
Enhanced precision in modeling three-jet events.
Foundation for more accurate experimental data comparisons.
Abstract
This article gives the perturbative NNLO results for the moments of the most commonly used event shape variables associated to three-jet events in electron-positron annihilation: Thrust, heavy jet mass, wide jet broadening, total jet broadening, C parameter and the Durham three-to-two jet transition variable.
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